Pythagorean triplets X91267

Statement

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Write a function is_pythagorean(a, b, c) that receives as argument three integers greater than zero and returns True when the square of one of these arguments is the sum of the squares of the other two. Otherwise the function returns False.

Sample session

>>> is_pythagorean(3, 5, 4)
True
>>> is_pythagorean(2, 1, 1)
False
>>> is_pythagorean(13, 5, 12)
True

Information

Author: ProAl
Language: English
Official solutions: Python
User solutions: Python